[357] set default tcp recv timeout to 5 seconds

src/bin/auth/auth.spec.pre.in

@@ -94,7 +94,7 @@
       { "item_name": "tcp_recv_timeout",
         "item_type": "integer",
         "item_optional": false,
-        "item_default": 1000
+        "item_default": 5000
       }
     ],
     "commands": [

src/lib/asiodns/dns_service.cc

@@ -40,7 +40,7 @@ public:
     DNSServiceImpl(IOService& io_service, SimpleCallback* checkin,
                    DNSLookup* lookup, DNSAnswer* answer) :
             io_service_(io_service), checkin_(checkin), lookup_(lookup),
-            answer_(answer), tcp_recv_timeout_(1000)
+            answer_(answer), tcp_recv_timeout_(5000)
     {}
 
     IOService& io_service_;

src/lib/asiodns/tcp_server.cc

@@ -72,7 +72,7 @@ TCPServer::TCPServer(io_service& io_service, int fd, int af,
     }
     // Set it to some value. It should be set to the right one
     // immediately, but set it to something non-zero just in case.
-    tcp_recv_timeout_.reset(new size_t(1000));
+    tcp_recv_timeout_.reset(new size_t(5000));
 }
 
 namespace {